URSIGRAM SYDNEY 27/0000UT APRIL 2023 GEOALERT SYD117 UGEOA 85303 30427 0000/ 4021/ 11271 22271 30271 99999 PLAIN MAGNETIC FORECAST: MINOR STORM due to CORONAL HOLE BT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au